======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '200'
                                          'artist'  'Berk & the Virtual Band'
                                     'text_people'  ''
                                         'release'  'Jazz Chill Vol.1'
                                           'title'  'Rhythm is a dancer'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-3', "
 "'Q-OLDST-3', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['smooth jazz', 'jazz', 'chillout', 'cool jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-pop;set-cover or covered'
                                             'bpm'  '107.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'Jazz Chill Vol.1'
'TBPM' (BPM (beats per minute))                     '107.1'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-pop', 'set-cover or covered']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Rhythm is a dancer'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Berk & the Virtual Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Beggars Banquet'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['smooth jazz', 'jazz', 'chillout', 'cool jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-9.88 dB'
'TXXX:replaygain_track_peak'                        '1.089612'

========================== row from database ==========================
                                              'id'  1481661
                                            'path'  /data/Music/Bulk/00poprockelectronic/Berk & the Virtual Band - 2006 - Jazz Chill (vol.1)/07 Berk & the Virtual Band - Rhythm is a dancer.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  200
                                           'genre'  prerock-jb-jazz-pop;set-cover or covered
                                        'filesize'  8102375
                                           'mtime'  1620540783
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2006 (vol.1) 07 prerock jb jazz pop;set cover or covered
                                      'tag_artist'  Berk & the Virtual Band
                                     'tag_release'  Jazz Chill Vol.1
                                       'tag_title'  Rhythm is a dancer
                                             'bpm'  107.1
                                    'search_title'  'a':3 'dancer':4 'is':2 'rhythm':1
                                   'search_artist'  'band':4 'berk':1 'the':2 'virtual':3
                                  'search_release'  '1':4 'chill':2 'jazz':1 'vol':3 'vol1':5
                                     'search_rest'  '00poprockelectronic':1 '1':4 '2006':2 'cover':13 'covered':15 'jazz':8 'jb':7 'or':14 'pop':9,11 'prerock':6 'set':10,12 'vol':3 'vol1':5
                                    'search_combo'  '00poprockelectronic':14 '1':12C,17 '2006':15 'a':3A 'band':8B 'berk':5B 'chill':10C 'cover':26 'covered':28 'dancer':4A 'is':2A 'jazz':9C,21 'jb':20 'or':27 'pop':22,24 'prerock':19 'rhythm':1A 'set':23,25 'the':6B 'virtual':7B 'vol':11C,16 'vol1':13C,18
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['smooth jazz', 'jazz', 'chillout', 'cool jazz']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540782.8039203  (2021-05-09 08:13:02)
                             'size'  8102375